A better option for larger grow rooms is an active intake system in this setup an extra fan called the intake fan is added to the mix.
Grow room intake and exhaust setup.
Since the air inside the grow tent is exchanged so fast would it make more sense to put it outside the room.
You may also opt for insulated ducting instead of using standard ducting to reduce the whooshing wind noise.
As you exhaust air you create negative air pressure a vacuum inside the grow tent.
Before you get invested in grow tent set up take a minute to read about grow tent ventilation.
The final aspect that i will look at as far as the setup of the ventilation goes is the injection of carbon dioxide.
Intake is run next to the ac vent trying to think of the most effective place to put the dehumidifier.
Designing an efficient exhaust system will be much simpler if you take the time to understand airflow in a room the whole idea of setting up an exhaust system is to create negative airflow in the grow space or grow tent so that any hot air is regularly replaced with new fresh cool air.
Two future chongers grow under 18 6 light in a 4 x 4 tent preparing for flower.
For the majority of grow tent growers a passive intake system works perfectly.
So to balance out the effect of one fan blowing out the air through the exhaust hole you have another fan bringing in fresh air through the intake vent.
There are two ways you can set up the intake system for your grow tent.
Best grow tent dehumidifiers review buying guide.
Combining grow tent set up with grow tent ventilation set up was one of the best decisions i ever made.
To add further silencing to your active exhaust fan you can attach a silencer that will dampen the intake sound.
Place your tents or build your room in an area where you can exhaust smelly humid air to the outdoors.
Whether you are growing a tent or a room you can apply soundproofing all around your grow space to diminish the fan humming.
Instead the inline exhaust fan will suck the air out of your tent creating a vacuum.
If your grow room uses a passive intake method you should ensure that the intake hole is bigger than the exhaust hole three or four times to allow for the proper suction of air.
Cold air sinks so these air intake holes should be positioned low to the ground to scoop the coolest air right off of the floor.
Passive systems will actually not use an intake system.
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You may as well opt to install more than one passive intake hole to increase the amount of air flowing into the grow room.
The best time to install a ventilation system in your grow tent is during set up as you won t have to work around existing plants or alter your.
This is an essential element for transpiration to take place.